Copper-base brazing alloy



United States Patent Oifice 2,755,182 Patented July 17, 1956 2,755,182 COPPER-BASE BRAZING ALLOY Arthur T. Cape, Los Angeles, Calm, asslgnor to Superweld Corporation, North Hollywood, Calif a corporation of California No Drawing. Application July Serial No. 525,371

2 Claims. (Cl. 15-459 This invention relates generally to alloys, but has reference more particularly to a copper-base alloy which is especially adapted for use in copper brazing, for joining metals.

A primary object of the invention is to provide an alloy of the character described, which has exceptional flow characteristics.

Other objects and advantages of the invention will become apparent in the course of alloy,

which referthe copper certain namely, nickel and More specifically, the alloy will contain the following constituents, in the proportions stated:

Range, Preferred 5 percent Alloy, percent Having thus described my invention, I claim:

1. A copper-base brazing alloy having high joint strength and excellent flow sisting of from about 80% to about 99.5% copper, about 0.5% to about 17% nickel, and about 0.8% to about 3.5%

ron.

2. A copper-base brazing alloy having high joint strength and excellent flow characteristics, said alloy consisting of about 94% copper, about 5% nickel, and about 1% boron.

No references cited. 

1. A COPPER-BASE BRAZING ALLOY HAVING HIGH JOINT STRENGTH AND EXCELLENT FLOW CHARACTERISTICS, SAID ALLOY CONSISTING OF FROM ABOUT 80% TO ABOUT 99.5% COPPER, ABOUT 0.5% TO ABOUT 17% NICKEL, AND ABOUT 0.8% TO ABOUT 3.5% BORON. 